Activity Companies Alerts About

William L. Meaney owns 0.10% of Iron Mountain

295,650 shares as of the October 1, 2026 filing, worth $33.3M at the latest close.

IRM · $33.5B market cap
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Free.
The stake
0.10%
worth $33.3M at the latest close
Stake rank
#922
by dollar value of the stake
Last sale
228 days ago
Mar 5, 2026
Last buy
None
no purchases since 2016

William L. Meaney owns 0.10% of IRON MOUNTAIN INC: 295,650 of 297,702,812 shares, worth about $33.3M at the 2026-10-16 close. The stake has moved from 0.02% in 2016 to 0.10% on 2026-10-01, across 26 sales and 0 purchases that moved it since 2016. The last trade that moved it was a planned sale of $10.5M on 2026-03-05.

How the stake is held

as of the Oct 1, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated Oct 1, 2026 · Form 4 ↗
HELD INDIRECTLY · 2 VEHICLES
295,650
100.0%
By Meaney Master Trust #2
212,680
71.9%
By Meaney 2024 Master Trust
82,970
28.1%
THE STAKE
295,650
0.10%